[IMP] - store last_date_invoiced on contract_line

Improve CRITERIA_ALLOWED_DICT

[IMP] - code improvement

[IMP] - Use last_date_invoiced to set marker in invoice description

[IMP] - add migration script to init last_day_invoiced and some other improvement

[FIX] - a contract line suspended should start a day after the suspension end

contract/__manifest__.py

@@ -9,7 +9,7 @@
 
 {
     'name': 'Recurring - Contracts Management',
-    'version': '12.0.2.0.0',
+    'version': '12.0.2.0.1',
     'category': 'Contract Management',
     'license': 'AGPL-3',
     'author': "OpenERP SA, "

contract/data/__init__.py

@@ -1 +0,0 @@
-from . import contract_line_constraints

contract/data/contract_line_constraints.py

@@ -1,281 +0,0 @@
-# Copyright 2018 ACSONE SA/NV.
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-
-from collections import namedtuple
-from odoo.fields import Date
-
-CRITERIA = namedtuple(
-    'CRITERIA',
-    [
-        'WHEN',
-        'HAS_DATE_END',
-        'IS_AUTO_RENEW',
-        'HAS_SUCCESSOR',
-        'PREDECESSOR_HAS_SUCCESSOR',
-        'CANCELED',
-    ],
-)
-ALLOWED = namedtuple(
-    'ALLOWED',
-    ['PLAN_SUCCESSOR', 'STOP_PLAN_SUCCESSOR', 'STOP', 'CANCEL', 'UN_CANCEL'],
-)
-
-CRITERIA_ALLOWED_DICT = {
-    CRITERIA(
-        WHEN='BEFORE',
-        HAS_DATE_END=True,
-        IS_AUTO_RENEW=True,
-        HAS_SUCCESSOR=False,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=True,
-        STOP=True,
-        CANCEL=True,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='BEFORE',
-        HAS_DATE_END=True,
-        IS_AUTO_RENEW=False,
-        HAS_SUCCESSOR=True,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=False,
-        STOP=True,
-        CANCEL=True,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='BEFORE',
-        HAS_DATE_END=True,
-        IS_AUTO_RENEW=False,
-        HAS_SUCCESSOR=False,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=True,
-        STOP_PLAN_SUCCESSOR=True,
-        STOP=True,
-        CANCEL=True,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='BEFORE',
-        HAS_DATE_END=False,
-        IS_AUTO_RENEW=False,
-        HAS_SUCCESSOR=False,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=True,
-        STOP=True,
-        CANCEL=True,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='IN',
-        HAS_DATE_END=True,
-        IS_AUTO_RENEW=True,
-        HAS_SUCCESSOR=False,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=True,
-        STOP=True,
-        CANCEL=True,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='IN',
-        HAS_DATE_END=True,
-        IS_AUTO_RENEW=False,
-        HAS_SUCCESSOR=True,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=False,
-        STOP=True,
-        CANCEL=True,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='IN',
-        HAS_DATE_END=True,
-        IS_AUTO_RENEW=False,
-        HAS_SUCCESSOR=False,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=True,
-        STOP_PLAN_SUCCESSOR=True,
-        STOP=True,
-        CANCEL=True,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='IN',
-        HAS_DATE_END=False,
-        IS_AUTO_RENEW=False,
-        HAS_SUCCESSOR=False,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=True,
-        STOP=True,
-        CANCEL=True,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='AFTER',
-        HAS_DATE_END=True,
-        IS_AUTO_RENEW=True,
-        HAS_SUCCESSOR=False,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=False,
-        STOP=False,
-        CANCEL=False,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='AFTER',
-        HAS_DATE_END=True,
-        IS_AUTO_RENEW=False,
-        HAS_SUCCESSOR=True,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=False,
-        STOP=False,
-        CANCEL=False,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN='AFTER',
-        HAS_DATE_END=True,
-        IS_AUTO_RENEW=False,
-        HAS_SUCCESSOR=False,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=False,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=True,
-        STOP_PLAN_SUCCESSOR=False,
-        STOP=False,
-        CANCEL=False,
-        UN_CANCEL=False,
-    ),
-    CRITERIA(
-        WHEN=None,
-        HAS_DATE_END=None,
-        IS_AUTO_RENEW=None,
-        HAS_SUCCESSOR=None,
-        PREDECESSOR_HAS_SUCCESSOR=False,
-        CANCELED=True,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=False,
-        STOP=False,
-        CANCEL=False,
-        UN_CANCEL=True,
-    ),
-    CRITERIA(
-        WHEN=None,
-        HAS_DATE_END=None,
-        IS_AUTO_RENEW=None,
-        HAS_SUCCESSOR=None,
-        PREDECESSOR_HAS_SUCCESSOR=True,
-        CANCELED=True,
-    ): ALLOWED(
-        PLAN_SUCCESSOR=False,
-        STOP_PLAN_SUCCESSOR=False,
-        STOP=False,
-        CANCEL=False,
-        UN_CANCEL=False,
-    ),
-}
-
-
-def compute_when(date_start, date_end):
-    today = Date.today()
-    if today < date_start:
-        return 'BEFORE'
-    if date_end and today > date_end:
-        return 'AFTER'
-    return 'IN'
-
-
-def compute_criteria(
-    date_start,
-    date_end,
-    is_auto_renew,
-    successor_contract_line_id,
-    predecessor_contract_line_id,
-    is_canceled,
-):
-    if is_canceled:
-        if (
-            not predecessor_contract_line_id
-            or not predecessor_contract_line_id.successor_contract_line_id
-        ):
-            return CRITERIA(
-                WHEN=None,
-                HAS_DATE_END=None,
-                IS_AUTO_RENEW=None,
-                HAS_SUCCESSOR=None,
-                PREDECESSOR_HAS_SUCCESSOR=False,
-                CANCELED=True,
-            )
-        else:
-            return CRITERIA(
-                WHEN=None,
-                HAS_DATE_END=None,
-                IS_AUTO_RENEW=None,
-                HAS_SUCCESSOR=None,
-                PREDECESSOR_HAS_SUCCESSOR=True,
-                CANCELED=True,
-            )
-    when = compute_when(date_start, date_end)
-    has_date_end = date_end if not date_end else True
-    is_auto_renew = is_auto_renew
-    has_successor = True if successor_contract_line_id else False
-    canceled = is_canceled
-    return CRITERIA(
-        WHEN=when,
-        HAS_DATE_END=has_date_end,
-        IS_AUTO_RENEW=is_auto_renew,
-        HAS_SUCCESSOR=has_successor,
-        PREDECESSOR_HAS_SUCCESSOR=None,
-        CANCELED=canceled,
-    )
-
-
-def get_allowed(
-    date_start,
-    date_end,
-    is_auto_renew,
-    successor_contract_line_id,
-    predecessor_contract_line_id,
-    is_canceled,
-):
-    criteria = compute_criteria(
-        date_start,
-        date_end,
-        is_auto_renew,
-        successor_contract_line_id,
-        predecessor_contract_line_id,
-        is_canceled,
-    )
-    if criteria in CRITERIA_ALLOWED_DICT:
-        return CRITERIA_ALLOWED_DICT[criteria]
-    return False

contract/migrations/12.0.2.0.0/post-migration.py

@@ -1,10 +1,16 @@
 # -*- coding: utf-8 -*-
 # Copyright 2018 ACSONE SA/NV
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+import logging
+from odoo import SUPERUSER_ID, api
+
+
+_logger = logging.getLogger(__name__)
 
 
 def migrate(cr, version):
-    """Copy recurrence info from contract to contract lines."""
+    """Copy recurrence info from contract to contract lines and compute
+    last_date_invoiced"""
 
     cr.execute(
         """UPDATE account_analytic_invoice_line AS contract_line
@@ -17,3 +23,10 @@ def migrate(cr, version):
         FROM account_analytic_account AS contract
         WHERE contract.id=contract_line.contract_id"""
     )
+
+    _logger.info("order all contract line")
+    env = api.Environment(cr, SUPERUSER_ID, {})
+    contract_lines = env["account.analytic.invoice.line"].search(
+        [("recurring_next_date", "!=", False)]
+    )
+    contract_lines._init_last_date_invoiced()

contract/migrations/12.0.2.0.0/pre-migration.py

@@ -0,0 +1,24 @@
+# Copyright 2018 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+import logging
+
+from odoo import SUPERUSER_ID, api
+
+_logger = logging.getLogger(__name__)
+
+
+def migrate(cr, version):
+    """
+    set recurring_next_date to false for finished contract
+    """
+    _logger.info("order all contract line")
+    with api.Environment(cr, SUPERUSER_ID, {}) as env:
+        contracts = env["account.analytic.account"].search([])
+        finished_contract = contracts.filtered(
+            lambda c: not c.create_invoice_visibility
+        )
+        cr.execute(
+            "UPDATE account_analytic_account set recurring_next_date=null where id in (%)"
+            % ','.join(finished_contract.ids)
+        )

contract/models/abstract_contract.py

@@ -11,7 +11,7 @@ from odoo import api, models, fields
 
 class AbstractAccountAnalyticContract(models.AbstractModel):
     _name = 'account.abstract.analytic.contract'
-    _description = 'Abstract Account Analytic Contract'
+    _description = 'Abstract Recurring Contract'
 
     # These fields will not be synced to the contract
     NO_SYNC = ['name', 'partner_id']
@@ -40,7 +40,9 @@ class AbstractAccountAnalyticContract(models.AbstractModel):
         'res.company',
         string='Company',
         required=True,
-        default=lambda self: self.env.user.company_id,
+        default=lambda self: self.env['res.company']._company_default_get(
+            self._name
+        ),
     )
 
     @api.onchange('contract_type')

contract/models/abstract_contract_line.py

@@ -14,7 +14,7 @@ from odoo.tools.translate import _
 
 class AccountAbstractAnalyticContractLine(models.AbstractModel):
     _name = 'account.abstract.analytic.contract.line'
-    _description = 'Account Abstract Analytic Contract Line'
+    _description = 'Abstract Recurring Contract Line'
 
     product_id = fields.Many2one(
         'product.product', string='Product', required=True
@@ -130,7 +130,9 @@ class AccountAbstractAnalyticContractLine(models.AbstractModel):
                     ),
                     pricelist=line.contract_id.pricelist_id.id,
                     partner=line.contract_id.partner_id.id,
-                    date=line.env.context.get('old_date', fields.Date.today()),
+                    date=line.env.context.get(
+                        'old_date', fields.Date.context_today(line)
+                    ),
                 )
                 line.price_unit = product.price
             else:
@@ -182,7 +184,7 @@ class AccountAbstractAnalyticContractLine(models.AbstractModel):
         ):
             vals['uom_id'] = self.product_id.uom_id
 
-        date = self.recurring_next_date or fields.Date.today()
+        date = self.recurring_next_date or fields.Date.context_today(self)
         partner = self.contract_id.partner_id or self.env.user.partner_id
 
         product = self.product_id.with_context(

contract/models/contract.py

@@ -62,7 +62,7 @@ class AccountAnalyticAccount(models.Model):
             recurring_next_date = contract.recurring_invoice_line_ids.filtered(
                 'create_invoice_visibility'
             ).mapped('recurring_next_date')
-            if recurring_next_date:
+            if recurring_next_date and all(recurring_next_date):
                 contract.recurring_next_date = min(recurring_next_date)
 
     @api.depends('recurring_invoice_line_ids.create_invoice_visibility')
@@ -123,8 +123,10 @@ class AccountAnalyticAccount(models.Model):
             vals = contract_line._convert_to_write(contract_line.read()[0])
             # Remove template link field
             vals.pop('contract_template_id', False)
-            vals['date_start'] = fields.Date.today()
-            vals['recurring_next_date'] = fields.Date.today()
+            vals['date_start'] = fields.Date.context_today(contract_line)
+            vals['recurring_next_date'] = fields.Date.context_today(
+                contract_line
+            )
             self.recurring_invoice_line_ids._onchange_date_start()
             new_lines.append((0, 0, vals))
         return new_lines

contract/models/contract_line.py

@@ -7,7 +7,7 @@ from dateutil.relativedelta import relativedelta
 from odoo import api, fields, models, _
 from odoo.exceptions import ValidationError
 
-from ..data.contract_line_constraints import get_allowed
+from .contract_line_constraints import get_allowed
 
 
 class AccountAnalyticInvoiceLine(models.Model):
@@ -16,14 +16,21 @@ class AccountAnalyticInvoiceLine(models.Model):
 
     contract_id = fields.Many2one(
         comodel_name='account.analytic.account',
-        string='Analytic Account',
+        string='Contract',
         required=True,
+        index=True,
         ondelete='cascade',
         oldname='analytic_account_id',
     )
-    date_start = fields.Date(string='Date Start', default=fields.Date.today())
+    date_start = fields.Date(
+        string='Date Start',
+        default=lambda self: fields.Date.context_today(self),
+    )
     date_end = fields.Date(string='Date End', index=True)
     recurring_next_date = fields.Date(string='Date of Next Invoice')
+    last_date_invoiced = fields.Date(
+        string='Last Date Invoiced', readonly=True
+    )
     create_invoice_visibility = fields.Boolean(
         compute='_compute_create_invoice_visibility'
     )
@@ -33,7 +40,8 @@ class AccountAnalyticInvoiceLine(models.Model):
         required=False,
         readonly=True,
         copy=False,
-        help="Contract Line created by this one.",
+        help="In case of restart after suspension, this field contain the new "
+        "contract line created.",
     )
     predecessor_contract_line_id = fields.Many2one(
         comodel_name='account.analytic.invoice.line',
@@ -72,7 +80,7 @@ class AccountAnalyticInvoiceLine(models.Model):
 
     @api.multi
     def _compute_state(self):
-        today = fields.Date.today()
+        today = fields.Date.context_today(self)
         for rec in self:
             if rec.is_canceled:
                 rec.state = 'canceled'
@@ -90,6 +98,7 @@ class AccountAnalyticInvoiceLine(models.Model):
     @api.depends(
         'date_start',
         'date_end',
+        'last_date_invoiced',
         'is_auto_renew',
         'successor_contract_line_id',
         'predecessor_contract_line_id',
@@ -101,19 +110,20 @@ class AccountAnalyticInvoiceLine(models.Model):
                 allowed = get_allowed(
                     rec.date_start,
                     rec.date_end,
+                    rec.last_date_invoiced,
                     rec.is_auto_renew,
                     rec.successor_contract_line_id,
                     rec.predecessor_contract_line_id,
                     rec.is_canceled,
                 )
                 if allowed:
-                    rec.is_plan_successor_allowed = allowed.PLAN_SUCCESSOR
+                    rec.is_plan_successor_allowed = allowed.plan_successor
                     rec.is_stop_plan_successor_allowed = (
-                        allowed.STOP_PLAN_SUCCESSOR
+                        allowed.stop_plan_successor
                     )
-                    rec.is_stop_allowed = allowed.STOP
-                    rec.is_cancel_allowed = allowed.CANCEL
-                    rec.is_un_cancel_allowed = allowed.UN_CANCEL
+                    rec.is_stop_allowed = allowed.stop
+                    rec.is_cancel_allowed = allowed.cancel
+                    rec.is_un_cancel_allowed = allowed.uncancel
 
     @api.constrains('is_auto_renew', 'successor_contract_line_id', 'date_end')
     def _check_allowed(self):
@@ -135,14 +145,14 @@ class AccountAnalyticInvoiceLine(models.Model):
                     )
                 if not rec.date_end:
                     raise ValidationError(
-                        _("An auto-renew line should have a " "date end ")
+                        _("An auto-renew line must have a end date")
                     )
             else:
                 if not rec.date_end and rec.successor_contract_line_id:
                     raise ValidationError(
                         _(
                             "A contract line with a successor "
-                            "should have date end"
+                            "must have a end date"
                         )
                     )
 
@@ -150,7 +160,7 @@ class AccountAnalyticInvoiceLine(models.Model):
     def _check_overlap_successor(self):
         for rec in self:
             if rec.date_end and rec.successor_contract_line_id:
-                if rec.date_end > rec.successor_contract_line_id.date_start:
+                if rec.date_end >= rec.successor_contract_line_id.date_start:
                     raise ValidationError(
                         _("Contract line and its successor overlapped")
                     )
@@ -159,7 +169,7 @@ class AccountAnalyticInvoiceLine(models.Model):
     def _check_overlap_predecessor(self):
         for rec in self:
             if rec.predecessor_contract_line_id:
-                if rec.date_start < rec.predecessor_contract_line_id.date_end:
+                if rec.date_start <= rec.predecessor_contract_line_id.date_end:
                     raise ValidationError(
                         _("Contract line and its predecessor overlapped")
                     )
@@ -183,7 +193,10 @@ class AccountAnalyticInvoiceLine(models.Model):
         )
 
     @api.onchange(
-        'is_auto_renew', 'auto_renew_rule_type', 'auto_renew_interval'
+        'date_start',
+        'is_auto_renew',
+        'auto_renew_rule_type',
+        'auto_renew_interval',
     )
     def _onchange_is_auto_renew(self):
         """Date end should be auto-computed if a contract line is set to
@@ -219,22 +232,45 @@ class AccountAnalyticInvoiceLine(models.Model):
                 if line.date_start > line.recurring_next_date:
                     raise ValidationError(
                         _(
-                            "You can't have a next invoicing date before the "
-                            "start of the contract '%s'"
+                            "You can't have a date of next invoice anterior "
+                            "to the start of the contract line '%s'"
                         )
-                        % line.contract_id.name
+                        % line.name
                     )
 
+    @api.constrains('date_start', 'date_end', 'last_date_invoiced')
+    def _check_last_date_invoiced(self):
+        for rec in self.filtered('last_date_invoiced'):
+            if rec.date_start and rec.date_start > rec.last_date_invoiced:
+                raise ValidationError(
+                    _(
+                        "You can't have the start date after the date of last "
+                        "invoice for the contract line '%s'"
+                    )
+                    % rec.name
+                )
+            if rec.date_end and rec.date_end < rec.last_date_invoiced:
+                raise ValidationError(
+                    _(
+                        "You can't have the end date before the date of last "
+                        "invoice for the contract line '%s'"
+                    )
+                    % rec.name
+                )
+
     @api.constrains('recurring_next_date')
     def _check_recurring_next_date_recurring_invoices(self):
-        for line in self.filtered('contract_id.recurring_invoices'):
-            if not line.recurring_next_date:
+        for rec in self.filtered('contract_id.recurring_invoices'):
+            if not rec.recurring_next_date and (
+                not rec.last_date_invoiced
+                or rec.last_date_invoiced < rec.date_end
+            ):
                 raise ValidationError(
                     _(
-                        "You must supply a next invoicing date for contract "
-                        "'%s'"
+                        "You must supply a date of next invoice for contract "
+                        "line '%s'"
                     )
-                    % line.contract_id.name
+                    % rec.name
                 )
 
     @api.constrains('date_start')
@@ -242,8 +278,8 @@ class AccountAnalyticInvoiceLine(models.Model):
         for line in self.filtered('contract_id.recurring_invoices'):
             if not line.date_start:
                 raise ValidationError(
-                    _("You must supply a start date for contract '%s'")
-                    % line.contract_id.name
+                    _("You must supply a start date for contract line '%s'")
+                    % line.name
                 )
 
     @api.constrains('date_start', 'date_end')
@@ -253,39 +289,28 @@ class AccountAnalyticInvoiceLine(models.Model):
                 if line.date_start > line.date_end:
                     raise ValidationError(
                         _(
-                            "Contract '%s' start date can't be later than "
-                            "end date"
+                            "Contract line '%s' start date can't be later than"
+                            " end date"
                         )
-                        % line.contract_id.name
+                        % line.name
                     )
 
     @api.depends('recurring_next_date', 'date_start', 'date_end')
     def _compute_create_invoice_visibility(self):
-        today = fields.Date.today()
-        for line in self:
-            if line.date_start:
-                if today < line.date_start:
-                    line.create_invoice_visibility = False
-                elif not line.date_end:
-                    line.create_invoice_visibility = True
-                elif line.recurring_next_date:
-                    if line.recurring_invoicing_type == 'pre-paid':
-                        line.create_invoice_visibility = (
-                            line.recurring_next_date <= line.date_end
-                        )
-                    else:
-                        line.create_invoice_visibility = (
-                            line.recurring_next_date
-                            - line.get_relative_delta(
-                                line.recurring_rule_type,
-                                line.recurring_interval,
-                            )
-                        ) <= line.date_end
+        today = fields.Date.context_today(self)
+        for rec in self:
+            if rec.date_start:
+                if today < rec.date_start:
+                    rec.create_invoice_visibility = False
+                else:
+                    rec.create_invoice_visibility = bool(
+                        rec.recurring_next_date
+                    )
 
     @api.model
-    def recurring_create_invoice(self, contract=False):
+    def _get_recurring_create_invoice_domain(self, contract=False):
         domain = []
-        date_ref = fields.Date.today()
+        date_ref = fields.Date.context_today(self)
         if contract:
             contract.ensure_one()
             date_ref = contract.recurring_next_date
@@ -296,39 +321,36 @@ class AccountAnalyticInvoiceLine(models.Model):
                 ('contract_id.recurring_invoices', '=', True),
                 ('recurring_next_date', '<=', date_ref),
                 ('is_canceled', '=', False),
-                # '|',
-                # ('date_end', '=', False),
-                # ('date_end', '>=', date_ref),
-                # with this leaf, it's impossible to invoice the last period
-                # in post-paid case.
-                # i.e: date_end = 15/03 recurring_next_date = 31/03
-                # A solution for this, is to only check recurring_next_date
-                # and filter with create_invoice_visibility
             ]
         )
-        lines = self.search(domain).filtered('create_invoice_visibility')
-        if lines:
-            return lines._recurring_create_invoice()
-        return False
+        return domain
 
-    @api.multi
-    def _recurring_create_invoice(self):
+    @api.model
+    def recurring_create_invoice(self, contract=False):
+        domain = self._get_recurring_create_invoice_domain(contract)
+        contract_to_invoice = self.read_group(
+            domain, ['id', 'contract_id'], ['contract_id']
+        )
+        return self._recurring_create_invoice(contract_to_invoice)
+
+    @api.model
+    def _recurring_create_invoice(self, contract_to_invoice):
         """Create invoices from contracts
 
         :return: invoices created
         """
         invoices = self.env['account.invoice']
-        for contract in self.mapped('contract_id'):
-            lines = self.filtered(lambda l: l.contract_id == contract)
-            invoices |= lines._create_invoice()
-            lines._update_recurring_next_date()
+        for contract in contract_to_invoice:
+            lines = self.search(contract['__domain'])
+            if lines:
+                invoices |= lines._create_invoice()
+                lines._update_recurring_next_date()
         return invoices
 
     @api.multi
     def _create_invoice(self):
         """
-        :param invoice: If not False add lines to this invoice
-        :return: invoice created or updated
+        :return: invoice created
         """
         contract = self.mapped('contract_id')
         date_invoice = min(self.mapped('recurring_next_date'))
@@ -359,10 +381,8 @@ class AccountAnalyticInvoiceLine(models.Model):
         invoice_line_vals = invoice_line._convert_to_write(invoice_line._cache)
         # Insert markers
         contract = self.contract_id
-        lang_obj = self.env['res.lang']
-        lang = lang_obj.search([('code', '=', contract.partner_id.lang)])
-        date_format = lang.date_format or '%m/%d/%Y'
-        name = self._insert_markers(date_format)
+        first_date_invoiced, last_date_invoiced = self._get_invoiced_period()
+        name = self._insert_markers(first_date_invoiced, last_date_invoiced)
         invoice_line_vals.update(
             {
                 'name': name,
@@ -373,26 +393,98 @@ class AccountAnalyticInvoiceLine(models.Model):
         return invoice_line_vals
 
     @api.multi
-    def _insert_markers(self, date_format):
+    def _get_invoiced_period(self):
         self.ensure_one()
-        date_from = fields.Date.from_string(self.recurring_next_date)
-        date_to = date_from + self.get_relative_delta(
-            self.recurring_rule_type, self.recurring_interval
+        first_date_invoiced = (
+            self.last_date_invoiced + relativedelta(days=1)
+            if self.last_date_invoiced
+            else self.date_start
         )
+        if self.recurring_rule_type == 'monthlylastday':
+            last_date_invoiced = first_date_invoiced + self.get_relative_delta(
+                self.recurring_rule_type, self.recurring_interval - 1
+            )
+        else:
+            last_date_invoiced = (
+                first_date_invoiced
+                + self.get_relative_delta(
+                    self.recurring_rule_type, self.recurring_interval
+                )
+                - relativedelta(days=1)
+            )
+        if self.date_end and self.date_end < last_date_invoiced:
+            last_date_invoiced = self.date_end
+        return first_date_invoiced, last_date_invoiced
+
+    @api.multi
+    def _insert_markers(self, first_date_invoiced, last_date_invoiced):
+        self.ensure_one()
+        lang_obj = self.env['res.lang']
+        lang = lang_obj.search(
+            [('code', '=', self.contract_id.partner_id.lang)]
+        )
+        date_format = lang.date_format or '%m/%d/%Y'
         name = self.name
-        name = name.replace('#START#', date_from.strftime(date_format))
-        name = name.replace('#END#', date_to.strftime(date_format))
+        name = name.replace(
+            '#START#', first_date_invoiced.strftime(date_format)
+        )
+        name = name.replace('#END#', last_date_invoiced.strftime(date_format))
         return name
 
     @api.multi
     def _update_recurring_next_date(self):
-        for line in self:
-            ref_date = line.recurring_next_date or fields.Date.today()
-            old_date = fields.Date.from_string(ref_date)
+        for rec in self:
+            old_date = rec.recurring_next_date
             new_date = old_date + self.get_relative_delta(
-                line.recurring_rule_type, line.recurring_interval
+                rec.recurring_rule_type, rec.recurring_interval
             )
-            line.recurring_next_date = new_date
+
+            if rec.recurring_rule_type == 'monthlylastday':
+                rec.last_date_invoiced = (
+                    old_date
+                    if rec.date_end and old_date < rec.date_end
+                    else rec.date_end
+                )
+            elif rec.recurring_invoicing_type == 'post-paid':
+                rec.last_date_invoiced = (
+                    old_date - relativedelta(days=1)
+                    if rec.date_end and old_date < rec.date_end
+                    else rec.date_end
+                )
+            elif rec.recurring_invoicing_type == 'pre-paid':
+                rec.last_date_invoiced = (
+                    new_date - relativedelta(days=1)
+                    if rec.date_end and new_date < rec.date_end
+                    else rec.date_end
+                )
+            if (
+                rec.last_date_invoiced
+                and rec.last_date_invoiced == rec.date_end
+            ):
+                rec.recurring_next_date = False
+            else:
+                rec.recurring_next_date = new_date
+
+    @api.multi
+    def _init_last_date_invoiced(self):
+        """Used to init last_date_invoiced for migration purpose"""
+        for rec in self:
+            if rec.recurring_rule_type == 'monthlylastday':
+                last_date_invoiced = (
+                    rec.recurring_next_date
+                    - self.get_relative_delta(
+                        rec.recurring_rule_type, rec.recurring_interval
+                    )
+                )
+            elif rec.recurring_invoicing_type == 'post-paid':
+                last_date_invoiced = (
+                    rec.recurring_next_date
+                    - self.get_relative_delta(
+                        rec.recurring_rule_type, rec.recurring_interval
+                    )
+                ) - relativedelta(days=1)
+            if last_date_invoiced > rec.date_start:
+                rec.last_date_invoiced = last_date_invoiced
 
     @api.model
     def get_relative_delta(self, recurring_rule_type, interval):
@@ -408,13 +500,20 @@ class AccountAnalyticInvoiceLine(models.Model):
             return relativedelta(years=interval)
 
     @api.multi
-    def delay(self, delay_delta):
+    def _delay(self, delay_delta):
         """
         Delay a contract line
         :param delay_delta: delay relative delta
         :return: delayed contract line
         """
         for rec in self:
+            if rec.last_date_invoiced:
+                raise ValidationError(
+                    _(
+                        "You can't delay a contract line "
+                        "invoiced at least one time."
+                    )
+                )
             old_date_start = rec.date_start
             old_date_end = rec.date_end
             new_date_start = rec.date_start + delay_delta
@@ -424,30 +523,12 @@ class AccountAnalyticInvoiceLine(models.Model):
                 rec.recurring_rule_type,
                 rec.recurring_interval,
             )
-            rec.date_end = (
-                rec.date_end
-                if not rec.date_end
-                else rec.date_end + delay_delta
-            )
+            if rec.date_end:
+                rec.date_end += delay_delta
             rec.date_start = new_date_start
-            msg = _(
-                """Contract line for <strong>{product}</strong>
-                delayed: <br/>
-                - <strong>Start</strong>: {old_date_start} -- {new_date_start}
-                <br/>
-                - <strong>End</strong>: {old_date_end} -- {new_date_end}
-                """.format(
-                    product=rec.name,
-                    old_date_start=old_date_start,
-                    new_date_start=rec.date_start,
-                    old_date_end=old_date_end,
-                    new_date_end=rec.date_end,
-                )
-            )
-            rec.contract_id.message_post(body=msg)
 
     @api.multi
-    def stop(self, date_end):
+    def stop(self, date_end, post_message=True):
         """
         Put date_end on contract line
         We don't consider contract lines that end's before the new end date
@@ -460,25 +541,23 @@ class AccountAnalyticInvoiceLine(models.Model):
             if date_end < rec.date_start:
                 rec.cancel()
             else:
-                old_date_end = rec.date_end
-                date_end = (
-                    rec.date_end
-                    if rec.date_end and rec.date_end < date_end
-                    else date_end
-                )
-                rec.write({'date_end': date_end, 'is_auto_renew': False})
-
-                msg = _(
-                    """Contract line for <strong>{product}</strong>
-                    stopped: <br/>
-                    - <strong>End</strong>: {old_date_end} -- {new_date_end}
-                    """.format(
-                        product=rec.name,
-                        old_date_end=old_date_end,
-                        new_date_end=rec.date_end,
-                    )
-                )
-                rec.contract_id.message_post(body=msg)
+                if not rec.date_end or rec.date_end > date_end:
+                    if post_message:
+                        old_date_end = rec.date_end
+                        msg = _(
+                            """Contract line for <strong>{product}</strong>
+                            stopped: <br/>
+                            - <strong>End</strong>: {old_end} -- {new_end}
+                            """.format(
+                                product=rec.name,
+                                old_end=old_date_end,
+                                new_end=rec.date_end,
+                            )
+                        )
+                        rec.contract_id.message_post(body=msg)
+                    rec.write({'date_end': date_end, 'is_auto_renew': False})
+                else:
+                    rec.write({'is_auto_renew': False})
         return True
 
     @api.multi
@@ -505,7 +584,12 @@ class AccountAnalyticInvoiceLine(models.Model):
 
     @api.multi
     def plan_successor(
-        self, date_start, date_end, is_auto_renew, recurring_next_date=False
+        self,
+        date_start,
+        date_end,
+        is_auto_renew,
+        recurring_next_date=False,
+        post_message=True,
     ):
         """
         Create a copy of a contract line in a new interval
@@ -530,20 +614,20 @@ class AccountAnalyticInvoiceLine(models.Model):
             )
             rec.successor_contract_line_id = new_line
             contract_line |= new_line
-
-            msg = _(
-                """Contract line for <strong>{product}</strong>
-                planned a successor: <br/>
-                - <strong>Start</strong>: {new_date_start}
-                <br/>
-                - <strong>End</strong>: {new_date_end}
-                """.format(
-                    product=rec.name,
-                    new_date_start=new_line.date_start,
-                    new_date_end=new_line.date_end,
+            if post_message:
+                msg = _(
+                    """Contract line for <strong>{product}</strong>
+                    planned a successor: <br/>
+                    - <strong>Start</strong>: {new_date_start}
+                    <br/>
+                    - <strong>End</strong>: {new_date_end}
+                    """.format(
+                        product=rec.name,
+                        new_date_start=new_line.date_start,
+                        new_date_end=new_line.date_end,
+                    )
                 )
-            )
-            rec.contract_id.message_post(body=msg)
+                rec.contract_id.message_post(body=msg)
         return contract_line
 
     @api.multi
@@ -590,34 +674,64 @@ class AccountAnalyticInvoiceLine(models.Model):
                     delay = (date_end - rec.date_start) + timedelta(days=1)
                 else:
                     delay = (date_end - date_start) + timedelta(days=1)
-                rec.delay(delay)
+                rec._delay(delay)
                 contract_line |= rec
             else:
                 if rec.date_end and rec.date_end < date_start:
-                    rec.stop(date_start)
+                    rec.stop(date_start, post_message=False)
                 elif (
                     rec.date_end
                     and rec.date_end > date_start
                     and rec.date_end < date_end
                 ):
-                    new_date_start = date_end
-                    new_date_end = date_end + (rec.date_end - date_start)
-                    rec.stop(date_start)
+                    new_date_start = date_end + relativedelta(days=1)
+                    new_date_end = (
+                        date_end
+                        + (rec.date_end - date_start)
+                        + relativedelta(days=1)
+                    )
+                    rec.stop(
+                        date_start - relativedelta(days=1), post_message=False
+                    )
                     contract_line |= rec.plan_successor(
-                        new_date_start, new_date_end, is_auto_renew
+                        new_date_start,
+                        new_date_end,
+                        is_auto_renew,
+                        post_message=False,
                     )
                 else:
-                    new_date_start = date_end
-                    new_date_end = (
-                        rec.date_end
-                        if not rec.date_end
-                        else rec.date_end + (date_end - date_start)
+                    new_date_start = date_end + relativedelta(days=1)
+                    if rec.date_end:
+                        new_date_end = (
+                            rec.date_end
+                            + (date_end - date_start)
+                            + relativedelta(days=1)
+                        )
+                    else:
+                        new_date_end = rec.date_end
+
+                    rec.stop(
+                        date_start - relativedelta(days=1), post_message=False
                     )
-                    rec.stop(date_start)
                     contract_line |= rec.plan_successor(
-                        new_date_start, new_date_end, is_auto_renew
+                        new_date_start,
+                        new_date_end,
+                        is_auto_renew,
+                        post_message=False,
                     )
-
+            msg = _(
+                """Contract line for <strong>{product}</strong>
+                suspended: <br/>
+                - <strong>Suspension Start</strong>: {new_date_start}
+                <br/>
+                - <strong>Suspension End</strong>: {new_date_end}
+                """.format(
+                    product=rec.name,
+                    new_date_start=date_start,
+                    new_date_end=date_end,
+                )
+            )
+            rec.contract_id.message_post(body=msg)
         return contract_line
 
     @api.multi
@@ -671,7 +785,7 @@ class AccountAnalyticInvoiceLine(models.Model):
         self.ensure_one()
         context = {
             'default_contract_line_id': self.id,
-            'default_recurring_next_date': fields.Date.today(),
+            'default_recurring_next_date': fields.Date.context_today(self),
         }
         context.update(self.env.context)
         view_id = self.env.ref(
@@ -772,16 +886,31 @@ class AccountAnalyticInvoiceLine(models.Model):
         res = self.env['account.analytic.invoice.line']
         for rec in self:
             is_auto_renew = rec.is_auto_renew
-            rec.stop(rec.date_end)
+            rec.stop(rec.date_end, post_message=False)
             date_start, date_end = rec._get_renewal_dates()
-            new_line = rec.plan_successor(date_start, date_end, is_auto_renew)
+            new_line = rec.plan_successor(
+                date_start, date_end, is_auto_renew, post_message=False
+            )
             new_line._onchange_date_start()
             res |= new_line
+            msg = _(
+                """Contract line for <strong>{product}</strong>
+                renewed: <br/>
+                - <strong>Start</strong>: {new_date_start}
+                <br/>
+                - <strong>End</strong>: {new_date_end}
+                """.format(
+                    product=rec.name,
+                    new_date_start=date_start,
+                    new_date_end=date_end,
+                )
+            )
+            rec.contract_id.message_post(body=msg)
         return res
 
     @api.model
     def _contract_line_to_renew_domain(self):
-        date_ref = fields.datetime.today() + self.get_relative_delta(
+        date_ref = fields.Date.context_today(self) + self.get_relative_delta(
             self.termination_notice_rule_type, self.termination_notice_interval
         )
         return [

contract/models/contract_line_constraints.py

@@ -0,0 +1,428 @@
+# Copyright 2018 ACSONE SA/NV.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+import itertools
+from collections import namedtuple
+from odoo.fields import Date
+
+Criteria = namedtuple(
+    'Criteria',
+    [
+        'when',  # Contract line relatively to today (BEFORE, IN, AFTER)
+        'has_date_end',  # Is date_end set on contract line (bool)
+        'has_last_date_invoiced',  # Is last_date_invoiced set on contract line
+        'is_auto_renew',  # Is is_auto_renew set on contract line (bool)
+        'has_successor',  # Is contract line has_successor (bool)
+        'predecessor_has_successor',
+        # Is contract line predecessor has successor (bool)
+        # In almost of the cases
+        # contract_line.predecessor.successor == contract_line
+        # But at cancel action,
+        # contract_line.predecessor.successor == False
+        # This is to permit plan_successor on predecessor
+        # If contract_line.predecessor.successor != False
+        # and contract_line is canceled, we don't allow uncancel
+        # else we re-link contract_line and its predecessor
+        'canceled',  # Is contract line canceled (bool)
+    ],
+)
+Allowed = namedtuple(
+    'Allowed',
+    ['plan_successor', 'stop_plan_successor', 'stop', 'cancel', 'uncancel'],
+)
+
+
+def _expand_none(criteria):
+    variations = []
+    for attribute, value in criteria._asdict().items():
+        if value is None:
+            if attribute == 'when':
+                variations.append(['BEFORE', 'IN', 'AFTER'])
+            else:
+                variations.append([True, False])
+        else:
+            variations.append([value])
+    return itertools.product(*variations)
+
+
+def _add(matrix, criteria, allowed):
+    """ Expand None values to True/False combination """
+    for c in _expand_none(criteria):
+        matrix[c] = allowed
+
+
+CRITERIA_ALLOWED_DICT = {
+    Criteria(
+        when='BEFORE',
+        has_date_end=True,
+        has_last_date_invoiced=False,
+        is_auto_renew=True,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=True,
+        uncancel=False,
+    ),
+    Criteria(
+        when='BEFORE',
+        has_date_end=True,
+        has_last_date_invoiced=False,
+        is_auto_renew=False,
+        has_successor=True,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=False,
+        stop=True,
+        cancel=True,
+        uncancel=False,
+    ),
+    Criteria(
+        when='BEFORE',
+        has_date_end=True,
+        has_last_date_invoiced=False,
+        is_auto_renew=False,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=True,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=True,
+        uncancel=False,
+    ),
+    Criteria(
+        when='BEFORE',
+        has_date_end=False,
+        has_last_date_invoiced=False,
+        is_auto_renew=False,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=True,
+        uncancel=False,
+    ),
+    Criteria(
+        when='IN',
+        has_date_end=True,
+        has_last_date_invoiced=False,
+        is_auto_renew=True,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=True,
+        uncancel=False,
+    ),
+    Criteria(
+        when='IN',
+        has_date_end=True,
+        has_last_date_invoiced=False,
+        is_auto_renew=False,
+        has_successor=True,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=False,
+        stop=True,
+        cancel=True,
+        uncancel=False,
+    ),
+    Criteria(
+        when='IN',
+        has_date_end=True,
+        has_last_date_invoiced=False,
+        is_auto_renew=False,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=True,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=True,
+        uncancel=False,
+    ),
+    Criteria(
+        when='IN',
+        has_date_end=False,
+        has_last_date_invoiced=False,
+        is_auto_renew=False,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=True,
+        uncancel=False,
+    ),
+    Criteria(
+        when='BEFORE',
+        has_date_end=True,
+        has_last_date_invoiced=True,
+        is_auto_renew=True,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='BEFORE',
+        has_date_end=True,
+        has_last_date_invoiced=True,
+        is_auto_renew=False,
+        has_successor=True,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=False,
+        stop=True,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='BEFORE',
+        has_date_end=True,
+        has_last_date_invoiced=True,
+        is_auto_renew=False,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=True,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='BEFORE',
+        has_date_end=False,
+        has_last_date_invoiced=True,
+        is_auto_renew=False,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='IN',
+        has_date_end=True,
+        has_last_date_invoiced=True,
+        is_auto_renew=True,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='IN',
+        has_date_end=True,
+        has_last_date_invoiced=True,
+        is_auto_renew=False,
+        has_successor=True,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=False,
+        stop=True,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='IN',
+        has_date_end=True,
+        has_last_date_invoiced=True,
+        is_auto_renew=False,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=True,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='IN',
+        has_date_end=False,
+        has_last_date_invoiced=True,
+        is_auto_renew=False,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=True,
+        stop=True,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='AFTER',
+        has_date_end=True,
+        has_last_date_invoiced=None,
+        is_auto_renew=True,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=False,
+        stop=False,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='AFTER',
+        has_date_end=True,
+        has_last_date_invoiced=None,
+        is_auto_renew=False,
+        has_successor=True,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=False,
+        stop=False,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when='AFTER',
+        has_date_end=True,
+        has_last_date_invoiced=None,
+        is_auto_renew=False,
+        has_successor=False,
+        predecessor_has_successor=None,
+        canceled=False,
+    ): Allowed(
+        plan_successor=True,
+        stop_plan_successor=False,
+        stop=False,
+        cancel=False,
+        uncancel=False,
+    ),
+    Criteria(
+        when=None,
+        has_date_end=None,
+        has_last_date_invoiced=None,
+        is_auto_renew=None,
+        has_successor=None,
+        predecessor_has_successor=False,
+        canceled=True,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=False,
+        stop=False,
+        cancel=False,
+        uncancel=True,
+    ),
+    Criteria(
+        when=None,
+        has_date_end=None,
+        has_last_date_invoiced=None,
+        is_auto_renew=None,
+        has_successor=None,
+        predecessor_has_successor=True,
+        canceled=True,
+    ): Allowed(
+        plan_successor=False,
+        stop_plan_successor=False,
+        stop=False,
+        cancel=False,
+        uncancel=False,
+    ),
+}
+criteria_allowed_dict = {}
+
+for c in CRITERIA_ALLOWED_DICT:
+    _add(criteria_allowed_dict, c, CRITERIA_ALLOWED_DICT[c])
+
+
+def compute_when(date_start, date_end):
+    today = Date.today()
+    if today < date_start:
+        return 'BEFORE'
+    if date_end and today > date_end:
+        return 'AFTER'
+    return 'IN'
+
+
+def compute_criteria(
+    date_start,
+    date_end,
+    has_last_date_invoiced,
+    is_auto_renew,
+    successor_contract_line_id,
+    predecessor_contract_line_id,
+    is_canceled,
+):
+    return Criteria(
+        when=compute_when(date_start, date_end),
+        has_date_end=bool(date_end),
+        has_last_date_invoiced=bool(has_last_date_invoiced),
+        is_auto_renew=is_auto_renew,
+        has_successor=bool(successor_contract_line_id),
+        predecessor_has_successor=bool(
+            predecessor_contract_line_id.successor_contract_line_id
+        ),
+        canceled=is_canceled,
+    )
+
+
+def get_allowed(
+    date_start,
+    date_end,
+    has_last_date_invoiced,
+    is_auto_renew,
+    successor_contract_line_id,
+    predecessor_contract_line_id,
+    is_canceled,
+):
+    criteria = compute_criteria(
+        date_start,
+        date_end,
+        has_last_date_invoiced,
+        is_auto_renew,
+        successor_contract_line_id,
+        predecessor_contract_line_id,
+        is_canceled,
+    )
+    if criteria in criteria_allowed_dict:
+        return criteria_allowed_dict[criteria]
+    return False

contract/tests/test_contract.py

@@ -161,6 +161,7 @@ class TestContract(TestContractBase):
 
     def test_contract_daily(self):
         recurring_next_date = to_date('2018-02-23')
+        last_date_invoiced = to_date('2018-02-22')
         self.acct_line.recurring_next_date = '2018-02-22'
         self.acct_line.recurring_rule_type = 'daily'
         self.contract.pricelist_id = False
@@ -172,9 +173,11 @@ class TestContract(TestContractBase):
         self.assertEqual(
             self.acct_line.recurring_next_date, recurring_next_date
         )
+        self.assertEqual(self.acct_line.last_date_invoiced, last_date_invoiced)
 
-    def test_contract_weekly(self):
+    def test_contract_weekly_post_paid(self):
         recurring_next_date = to_date('2018-03-01')
+        last_date_invoiced = to_date('2018-02-21')
         self.acct_line.recurring_next_date = '2018-02-22'
         self.acct_line.recurring_rule_type = 'weekly'
         self.acct_line.recurring_invoicing_type = 'post-paid'
@@ -186,11 +189,47 @@ class TestContract(TestContractBase):
         self.assertEqual(
             self.acct_line.recurring_next_date, recurring_next_date
         )
+        self.assertEqual(self.acct_line.last_date_invoiced, last_date_invoiced)
 
-    def test_contract_yearly(self):
+    def test_contract_weekly_pre_paid(self):
+        recurring_next_date = to_date('2018-03-01')
+        last_date_invoiced = to_date('2018-02-28')
+        self.acct_line.recurring_next_date = '2018-02-22'
+        self.acct_line.recurring_rule_type = 'weekly'
+        self.acct_line.recurring_invoicing_type = 'pre-paid'
+        self.contract.recurring_create_invoice()
+        invoices_weekly = self.env['account.invoice'].search(
+            [('contract_id', '=', self.contract.id)]
+        )
+        self.assertTrue(invoices_weekly)
+        self.assertEqual(
+            self.acct_line.recurring_next_date, recurring_next_date
+        )
+        self.assertEqual(self.acct_line.last_date_invoiced, last_date_invoiced)
+
+    def test_contract_yearly_post_paid(self):
+        recurring_next_date = to_date('2019-02-22')
+        last_date_invoiced = to_date('2018-02-21')
+        self.acct_line.recurring_next_date = '2018-02-22'
+        self.acct_line.recurring_rule_type = 'yearly'
+        self.acct_line.recurring_invoicing_type = 'post-paid'
+        self.contract.recurring_create_invoice()
+        invoices_weekly = self.env['account.invoice'].search(
+            [('contract_id', '=', self.contract.id)]
+        )
+        self.assertTrue(invoices_weekly)
+        self.assertEqual(
+            self.acct_line.recurring_next_date, recurring_next_date
+        )
+        self.assertEqual(self.acct_line.last_date_invoiced, last_date_invoiced)
+
+    def test_contract_yearly_pre_paid(self):
         recurring_next_date = to_date('2019-02-22')
+        last_date_invoiced = to_date('2019-02-21')
+        self.acct_line.date_end = '2020-02-22'
         self.acct_line.recurring_next_date = '2018-02-22'
         self.acct_line.recurring_rule_type = 'yearly'
+        self.acct_line.recurring_invoicing_type = 'pre-paid'
         self.contract.recurring_create_invoice()
         invoices_weekly = self.env['account.invoice'].search(
             [('contract_id', '=', self.contract.id)]
@@ -199,9 +238,11 @@ class TestContract(TestContractBase):
         self.assertEqual(
             self.acct_line.recurring_next_date, recurring_next_date
         )
+        self.assertEqual(self.acct_line.last_date_invoiced, last_date_invoiced)
 
     def test_contract_monthly_lastday(self):
         recurring_next_date = to_date('2018-03-31')
+        last_date_invoiced = to_date('2018-02-22')
         self.acct_line.recurring_next_date = '2018-02-22'
         self.acct_line.recurring_invoicing_type = 'post-paid'
         self.acct_line.recurring_rule_type = 'monthlylastday'
@@ -213,21 +254,41 @@ class TestContract(TestContractBase):
         self.assertEqual(
             self.acct_line.recurring_next_date, recurring_next_date
         )
+        self.assertEqual(self.acct_line.last_date_invoiced, last_date_invoiced)
 
     def test_last_invoice_post_paid(self):
-        recurring_next_date = to_date('2018-04-30')
-        self.acct_line.recurring_next_date = '2018-03-31'
-        self.acct_line.date_end = '2018-03-15'
+        self.acct_line.date_start = '2018-01-01'
         self.acct_line.recurring_invoicing_type = 'post-paid'
+        self.acct_line.date_end = '2018-03-15'
+        self.acct_line._onchange_date_start()
+        self.assertTrue(self.acct_line.create_invoice_visibility)
+        self.assertEqual(
+            self.acct_line.recurring_next_date, to_date('2018-02-01')
+        )
+        self.assertFalse(self.acct_line.last_date_invoiced)
         self.contract.recurring_create_invoice()
-        invoices = self.env['account.invoice'].search(
-            [('contract_id', '=', self.contract.id)]
+        self.assertEqual(
+            self.acct_line.recurring_next_date, to_date('2018-03-01')
         )
-        self.assertTrue(invoices)
         self.assertEqual(
-            self.acct_line.recurring_next_date, recurring_next_date
+            self.acct_line.last_date_invoiced, to_date('2018-01-31')
+        )
+        self.contract.recurring_create_invoice()
+        self.assertEqual(
+            self.acct_line.recurring_next_date, to_date('2018-04-01')
+        )
+        self.assertEqual(
+            self.acct_line.last_date_invoiced, to_date('2018-02-28')
+        )
+        self.contract.recurring_create_invoice()
+        self.assertEqual(
+            self.acct_line.last_date_invoiced, to_date('2018-03-15')
         )
+        self.assertFalse(self.acct_line.recurring_next_date)
         self.assertFalse(self.acct_line.create_invoice_visibility)
+        invoices = self.env['account.invoice'].search(
+            [('contract_id', '=', self.contract.id)]
+        )
         self.contract.recurring_create_invoice()
         new_invoices = self.env['account.invoice'].search(
             [('contract_id', '=', self.contract.id)]
@@ -239,19 +300,38 @@ class TestContract(TestContractBase):
         )
 
     def test_last_invoice_pre_paid(self):
-        recurring_next_date = to_date('2018-04-01')
-        self.acct_line.recurring_next_date = '2018-03-01'
-        self.acct_line.date_end = '2018-03-15'
+        self.acct_line.date_start = '2018-01-01'
         self.acct_line.recurring_invoicing_type = 'pre-paid'
+        self.acct_line.date_end = '2018-03-15'
+        self.acct_line._onchange_date_start()
+        self.assertTrue(self.acct_line.create_invoice_visibility)
+        self.assertEqual(
+            self.acct_line.recurring_next_date, to_date('2018-01-01')
+        )
+        self.assertFalse(self.acct_line.last_date_invoiced)
         self.contract.recurring_create_invoice()
-        invoices = self.env['account.invoice'].search(
-            [('contract_id', '=', self.contract.id)]
+        self.assertEqual(
+            self.acct_line.recurring_next_date, to_date('2018-02-01')
         )
-        self.assertTrue(invoices)
         self.assertEqual(
-            self.acct_line.recurring_next_date, recurring_next_date
+            self.acct_line.last_date_invoiced, to_date('2018-01-31')
+        )
+        self.contract.recurring_create_invoice()
+        self.assertEqual(
+            self.acct_line.last_date_invoiced, to_date('2018-02-28')
+        )
+        self.assertEqual(
+            self.acct_line.last_date_invoiced, to_date('2018-02-28')
         )
+        self.contract.recurring_create_invoice()
+        self.assertEqual(
+            self.acct_line.last_date_invoiced, to_date('2018-03-15')
+        )
+        self.assertFalse(self.acct_line.recurring_next_date)
         self.assertFalse(self.acct_line.create_invoice_visibility)
+        invoices = self.env['account.invoice'].search(
+            [('contract_id', '=', self.contract.id)]
+        )
         self.contract.recurring_create_invoice()
         new_invoices = self.env['account.invoice'].search(
             [('contract_id', '=', self.contract.id)]
@@ -454,48 +534,6 @@ class TestContract(TestContractBase):
         )
         self.assertEqual(last_count, init_count + 1)
 
-    def test_compute_create_invoice_visibility(self):
-        self.acct_line.write(
-            {
-                'recurring_next_date': '2018-01-15',
-                'date_start': '2018-01-01',
-                'is_auto_renew': False,
-                'date_end': False,
-            }
-        )
-        self.assertTrue(self.contract.create_invoice_visibility)
-        self.acct_line.date_end = '2018-02-01'
-        self.contract.refresh()
-        self.assertTrue(self.contract.create_invoice_visibility)
-        self.acct_line.date_end = '2018-01-01'
-        self.contract.refresh()
-        self.assertFalse(self.contract.create_invoice_visibility)
-
-    def test_compute_create_invoice_visibility_for_contract_line(self):
-        self.acct_line.write(
-            {
-                'recurring_next_date': '2018-01-15',
-                'date_start': '2018-01-01',
-                'is_auto_renew': False,
-                'date_end': False,
-            }
-        )
-        self.assertTrue(self.acct_line.create_invoice_visibility)
-        self.acct_line.date_end = '2018-02-01'
-        self.assertTrue(self.acct_line.create_invoice_visibility)
-        self.acct_line.date_end = '2018-01-01'
-        self.assertFalse(self.acct_line.create_invoice_visibility)
-        self.acct_line.write(
-            {
-                'date_start': fields.Date.today() + relativedelta(months=2),
-                'recurring_next_date': fields.Date.today()
-                + relativedelta(months=2),
-                'is_auto_renew': False,
-                'date_end': False,
-            }
-        )
-        self.assertFalse(self.acct_line.create_invoice_visibility)
-
     def test_act_show_contract(self):
         show_contract = self.partner.with_context(
             contract_type='sale'
@@ -608,6 +646,10 @@ class TestContract(TestContractBase):
         self.acct_line.write({'date_end': False, 'is_auto_renew': False})
         self.assertFalse(self.contract.date_end)
 
+    def test_last_date_invoiced_prepaid(self):
+        self.contract.recurring_create_invoice()
+        self
+
     def test_stop_contract_line(self):
         """It should put end to the contract line"""
         self.acct_line.write(
@@ -735,13 +777,21 @@ class TestContract(TestContractBase):
         self.acct_line.stop_plan_successor(
             suspension_start, suspension_end, True
         )
-        self.assertEqual(self.acct_line.date_end, suspension_start)
+        self.assertEqual(
+            self.acct_line.date_end, suspension_start - relativedelta(days=1)
+        )
         new_line = self.env['account.analytic.invoice.line'].search(
             [('predecessor_contract_line_id', '=', self.acct_line.id)]
         )
         self.assertTrue(new_line)
-        new_date_end = suspension_end + (end_date - suspension_start)
-        self.assertEqual(new_line.date_start, suspension_end)
+        new_date_end = (
+            suspension_end
+            + (end_date - suspension_start)
+            + relativedelta(days=1)
+        )
+        self.assertEqual(
+            new_line.date_start, suspension_end + relativedelta(days=1)
+        )
         self.assertEqual(new_line.date_end, new_date_end)
 
     def test_stop_plan_successor_contract_line_3(self):
@@ -767,13 +817,21 @@ class TestContract(TestContractBase):
         self.acct_line.stop_plan_successor(
             suspension_start, suspension_end, True
         )
-        self.assertEqual(self.acct_line.date_end, suspension_start)
+        self.assertEqual(
+            self.acct_line.date_end, suspension_start - relativedelta(days=1)
+        )
         new_line = self.env['account.analytic.invoice.line'].search(
             [('predecessor_contract_line_id', '=', self.acct_line.id)]
         )
         self.assertTrue(new_line)
-        new_date_end = end_date + (suspension_end - suspension_start)
-        self.assertEqual(new_line.date_start, suspension_end)
+        new_date_end = (
+            end_date
+            + (suspension_end - suspension_start)
+            + relativedelta(days=1)
+        )
+        self.assertEqual(
+            new_line.date_start, suspension_end + relativedelta(days=1)
+        )
         self.assertEqual(new_line.date_end, new_date_end)
 
     def test_stop_plan_successor_contract_line_3_without_end_date(self):
@@ -800,12 +858,16 @@ class TestContract(TestContractBase):
         self.acct_line.stop_plan_successor(
             suspension_start, suspension_end, False
         )
-        self.assertEqual(self.acct_line.date_end, suspension_start)
+        self.assertEqual(
+            self.acct_line.date_end, suspension_start - relativedelta(days=1)
+        )
         new_line = self.env['account.analytic.invoice.line'].search(
             [('predecessor_contract_line_id', '=', self.acct_line.id)]
         )
         self.assertTrue(new_line)
-        self.assertEqual(new_line.date_start, suspension_end)
+        self.assertEqual(
+            new_line.date_start, suspension_end + relativedelta(days=1)
+        )
         self.assertFalse(new_line.date_end)
 
     def test_stop_plan_successor_contract_line_4(self):
@@ -1112,7 +1174,9 @@ class TestContract(TestContractBase):
         self.acct_line.stop_plan_successor(
             suspension_start, suspension_end, True
         )
-        self.assertEqual(self.acct_line.date_end, suspension_start)
+        self.assertEqual(
+            self.acct_line.date_end, suspension_start - relativedelta(days=1)
+        )
         new_line = self.env['account.analytic.invoice.line'].search(
             [('predecessor_contract_line_id', '=', self.acct_line.id)]
         )
@@ -1121,10 +1185,13 @@ class TestContract(TestContractBase):
         self.assertTrue(new_line.is_canceled)
         self.assertFalse(self.acct_line.successor_contract_line_id)
         self.assertEqual(new_line.predecessor_contract_line_id, self.acct_line)
-        new_line.uncancel(suspension_end)
+        new_line.uncancel(suspension_end + relativedelta(days=1))
         self.assertFalse(new_line.is_canceled)
         self.assertEqual(self.acct_line.successor_contract_line_id, new_line)
-        self.assertEqual(new_line.recurring_next_date, suspension_end)
+        self.assertEqual(
+            new_line.recurring_next_date,
+            suspension_end + relativedelta(days=1),
+        )
 
     def test_cancel_uncancel_with_predecessor_has_successor(self):
         suspension_start = fields.Date.today() + relativedelta(months=6)
@@ -1199,3 +1266,107 @@ class TestContract(TestContractBase):
         self.assertTrue(new_line.is_auto_renew)
         self.assertEqual(new_line.date_start, to_date('2019-01-01'))
         self.assertEqual(new_line.date_end, to_date('2019-12-31'))
+
+    def test_cron_recurring_create_invoice(self):
+        self.acct_line.date_start = '2018-01-01'
+        self.acct_line.recurring_invoicing_type = 'post-paid'
+        self.acct_line.date_end = '2018-03-15'
+        self.acct_line._onchange_date_start()
+        contracts = self.contract
+        for i in range(10):
+            contracts |= self.contract.copy()
+        self.env['account.analytic.account'].cron_recurring_create_invoice()
+        invoices = self.env['account.invoice'].search(
+            [('contract_id', 'in', contracts.ids)]
+        )
+        self.assertEqual(len(contracts), len(invoices))
+
+    def test_get_invoiced_period_monthlylastday(self):
+        self.acct_line.date_start = '2018-01-05'
+        self.acct_line.recurring_invoicing_type = 'post-paid'
+        self.acct_line.recurring_rule_type = 'monthlylastday'
+        self.acct_line.date_end = '2018-03-15'
+        self.acct_line._onchange_date_start()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-01-05'))
+        self.assertEqual(last, to_date('2018-01-31'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-02-01'))
+        self.assertEqual(last, to_date('2018-02-28'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-03-01'))
+        self.assertEqual(last, to_date('2018-03-15'))
+
+    def test_get_invoiced_period_monthly_post_paid(self):
+        self.acct_line.date_start = '2018-01-05'
+        self.acct_line.recurring_invoicing_type = 'post-paid'
+        self.acct_line.recurring_rule_type = 'monthly'
+        self.acct_line.date_end = '2018-03-15'
+        self.acct_line._onchange_date_start()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-01-05'))
+        self.assertEqual(last, to_date('2018-02-04'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-02-05'))
+        self.assertEqual(last, to_date('2018-03-04'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-03-05'))
+        self.assertEqual(last, to_date('2018-03-15'))
+
+    def test_get_invoiced_period_monthly_pre_paid(self):
+        self.acct_line.date_start = '2018-01-05'
+        self.acct_line.recurring_invoicing_type = 'pre-paid'
+        self.acct_line.recurring_rule_type = 'monthly'
+        self.acct_line.date_end = '2018-03-15'
+        self.acct_line._onchange_date_start()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-01-05'))
+        self.assertEqual(last, to_date('2018-02-04'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-02-05'))
+        self.assertEqual(last, to_date('2018-03-04'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-03-05'))
+        self.assertEqual(last, to_date('2018-03-15'))
+
+    def test_get_invoiced_period_yearly_post_paid(self):
+        self.acct_line.date_start = '2018-01-05'
+        self.acct_line.recurring_invoicing_type = 'post-paid'
+        self.acct_line.recurring_rule_type = 'yearly'
+        self.acct_line.date_end = '2020-03-15'
+        self.acct_line._onchange_date_start()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-01-05'))
+        self.assertEqual(last, to_date('2019-01-04'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2019-01-05'))
+        self.assertEqual(last, to_date('2020-01-04'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2020-01-05'))
+        self.assertEqual(last, to_date('2020-03-15'))
+
+    def test_get_invoiced_period_yearly_pre_paid(self):
+        self.acct_line.date_start = '2018-01-05'
+        self.acct_line.recurring_invoicing_type = 'pre-paid'
+        self.acct_line.recurring_rule_type = 'yearly'
+        self.acct_line.date_end = '2020-03-15'
+        self.acct_line._onchange_date_start()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2018-01-05'))
+        self.assertEqual(last, to_date('2019-01-04'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2019-01-05'))
+        self.assertEqual(last, to_date('2020-01-04'))
+        self.contract.recurring_create_invoice()
+        first, last = self.acct_line._get_invoiced_period()
+        self.assertEqual(first, to_date('2020-01-05'))
+        self.assertEqual(last, to_date('2020-03-15'))

contract/views/contract_line.xml

@@ -101,6 +101,8 @@
                 <field name="recurring_next_date"
                        required="1"
                        attrs="{'invisible': [('create_invoice_visibility', '=', False)]}"/>
+                <field name="last_date_invoiced"
+                       groups="base.group_no_one"/>
                 <field name="create_invoice_visibility"
                        invisible="1"/>
                 <field name="is_plan_successor_allowed"